213858120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{254593}}^1$

素因数の和:254614

約数の個数: 64

約数和(自身を含む): 733230720

約数和(自身を除く): 519372600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 254593, 509186, 763779, 1018372, 1272965, 1527558, 1782151, 2036744, 2545930, 3055116, 3564302, 3818895, 5091860, 5346453, 6110232, 7128604, 7637790, 8910755, 10183720, 10692906, 14257208, 15275580, 17821510, 21385812, 26732265, 30551160, 35643020, 42771624, 53464530, 71286040, 106929060, 213858120]

約数ペア:

[(1, 213858120), (2, 106929060), (3, 71286040), (4, 53464530), (5, 42771624), (6, 35643020), (7, 30551160), (8, 26732265), (10, 21385812), (12, 17821510), (14, 15275580), (15, 14257208), (20, 10692906), (21, 10183720), (24, 8910755), (28, 7637790), (30, 7128604), (35, 6110232), (40, 5346453), (42, 5091860), (56, 3818895), (60, 3564302), (70, 3055116), (84, 2545930), (105, 2036744), (120, 1782151), (140, 1527558), (168, 1272965), (210, 1018372), (280, 763779), (420, 509186), (840, 254593)]